Faster interscalene nerve block onset with injection inside brachial plexus sheath
Comparison of Outside Versus Inside Brachial Plexus Sheath Injection for Ultrasound-Guided Interscalene Nerve BlocksJ Ultrasound Med. 2016 Feb;35(2):279-85
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60 patients undergoing elective shoulder surgery and receiving an interscalene nerve block were randomized to an injection of 0.5% ropivacaine either directly inside the brachial plexus sheath, or outside the brachial plexus sheath. The study was conducted in order to determine which administration method yielded a faster nerve block and to assess the side effects of each injection technique. It w...
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